Poulsenia is a monotypic genus of plants in the family Moraceae

Moraceae

Moraceae — often called the mulberry family or fig family — are a family of flowering plants comprising about 40 genera and over 1000 species. Most are widespread in tropical and subtropical regions, less so in temperate climates...

, native to rainforests from Mexico south through Venezuela to Bolivia. The only species is P. armata. Unlike any other Neotropical Moraceae, the leaves and twigs of Poulsenia are covered in small prickles. An additional useful identification characteristic is the distinctive knee-like buttresses of the adult trees.